| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [n mass] of [verb] | 2786 |
|
| 2 | [noun] of ensure | 258 |
|
| 3 | [n mass] [prep] ensure | 45 |
|
| 4 | [n mass] [prep] ensure | 45 |
|
| 5 | [n mass] of ensure | 40 |
|
